asyncitems-iterator-not-callable.js (562B)
1 // |reftest| async 2 // Copyright (C) 2022 Igalia, S.L. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-array.fromasync 7 description: > 8 Array.fromAsync rejects if the @@iterator property is not callable 9 includes: [asyncHelpers.js] 10 flags: [async] 11 features: [Array.fromAsync] 12 ---*/ 13 14 asyncTest(async function () { 15 for (const v of [true, "", Symbol(), 1, 1n, {}]) { 16 await assert.throwsAsync(TypeError, 17 () => Array.fromAsync({ [Symbol.iterator]: v }), 18 `@@iterator = ${typeof v}`); 19 } 20 });